make getInstantiationLoc and getSpellingLoc handle multiply instantiated
locations, and move the slow case out of line.  No perf change on cocoa.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63033 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed